Thysanus may refer to:
*
''Thysanus'', a genus of wasps in the family Signiphoridae described in 1840
* ''Thysanus'', a genus of flowering plants in the family Connaraceae; synonym of ''
Cnestis
''Cnestis'' is a genus of flowering plants belonging to the family Connaraceae.
Its native range is Tropical and Southern Africa to Malesia.
Species:
*'' Cnestis bomiensis''
*'' Cnestis corniculata''
*''Cnestis ferruginea''
*''Cnestis macra ...
''
* ''Thysanus'', a genus of cnidarians in the family
Faviidae; unknown status, described in 1863 by Duncan, a junior homonym
{{genus disambiguation